Track everything from current conditions, forecasts and potential impacts from the severe weather outbreak here.

A major winter storm is bringing significant snow and wind to parts of Minnesota and Wisconsin this weekend.

The changes are to make the maps easier to understand and more precise.

If you have ever noticed small black diagonal lines on a severe weather map, those markings have a specific meaning. The system is called hatching, and it is used by the Storm Prediction Center to highlight areas where significant weather is possible.

Blizzard warnings were issued Saturday for New York City, New Jersey, southern New England and coastal communities along the East Coast.